Know all about Troctolite and Mangerite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Mangerite belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Mangerite is Phaneritic. Troctolite appears Veined and Shiny and Mangerite appears Shiny. The luster of Troctolite is not available while that of Mangerite is subvitreous to dull. Troctolite is available in dark grey to black colors whereas Mangerite is available in black, brown, light to dark grey, white colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Mangerite are cemetery markers, creating artwork.